Update

.config/suckless/slstatus/config.mk

@@ -1,22 +1,9 @@
-# slstatus version
 VERSION = 1.0
+MANPREFIX = /usr/local/share/man
 
-# customize below to fit your system
+CPPFLAGS = $(shell pkg-config --cflags x11) -D_DEFAULT_SOURCE -DVERSION=\"${VERSION}\"
+LDFLAGS  = $(shell pkg-config --libs-only-L x11) -s
+LDLIBS   = $(shell pkg-config --libs-only-l x11)
+CFLAGS = -std=c17 -pedantic -Wall -Wextra -Wno-unused-parameter -O2 -march=native
 
-# paths
-PREFIX = /usr/local
-MANPREFIX = $(PREFIX)/share/man
-
-X11INC = /usr/X11R6/include
-X11LIB = /usr/X11R6/lib
-
-# flags
-CPPFLAGS = -I$(X11INC) -D_DEFAULT_SOURCE -DVERSION=\"${VERSION}\"
-CFLAGS   = -std=c99 -pedantic -Wall -Wextra -Wno-unused-parameter -Os
-LDFLAGS  = -L$(X11LIB) -s
-# OpenBSD: add -lsndio
-# FreeBSD: add -lkvm -lsndio
-LDLIBS   = -lX11
-
-# compiler and linker
-CC = cc
+CC = gcc